title: Additive antianginal effect of verapamil in patients receiving propranolol.
mesh_terms: D000787:Angina Pectoris / Q000188:drug therapy; D004359:Drug Therapy, Combination; D006801:Humans; D011433:Propranolol / Q000627:therapeutic use*; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D011433:Propranolol; D014700:Verapamil